CA2000785A1 - Commande automatique de gain de signaux numerises - Google Patents

Commande automatique de gain de signaux numerises

Info

Publication number
CA2000785A1
CA2000785A1 CA2000785A CA2000785A CA2000785A1 CA 2000785 A1 CA2000785 A1 CA 2000785A1 CA 2000785 A CA2000785 A CA 2000785A CA 2000785 A CA2000785 A CA 2000785A CA 2000785 A1 CA2000785 A1 CA 2000785A1
Authority
CA
Canada
Prior art keywords
agc
signal
dynamic range
receiver
level
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2000785A
Other languages
English (en)
Other versions
CA2000785C (fr
Inventor
James Frank Michael Kepler
David Edward Borth
Frank Joseph Cerny, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of CA2000785A1 publication Critical patent/CA2000785A1/fr
Application granted granted Critical
Publication of CA2000785C publication Critical patent/CA2000785C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/52—Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Glass Compositions (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
CA002000785A 1988-11-30 1989-10-16 Commande automatique de gain de signaux numerises Expired - Fee Related CA2000785C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27805188A 1988-11-30 1988-11-30
US278,051 1988-11-30

Publications (2)

Publication Number Publication Date
CA2000785A1 true CA2000785A1 (fr) 1990-05-31
CA2000785C CA2000785C (fr) 1994-10-25

Family

ID=23063490

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002000785A Expired - Fee Related CA2000785C (fr) 1988-11-30 1989-10-16 Commande automatique de gain de signaux numerises

Country Status (17)

Country Link
EP (1) EP0371700B1 (fr)
JP (1) JP2580873B2 (fr)
KR (1) KR930007134B1 (fr)
CN (1) CN1014200B (fr)
AT (1) ATE103750T1 (fr)
CA (1) CA2000785C (fr)
DD (1) DD292787A5 (fr)
DE (1) DE68914262T2 (fr)
DK (1) DK101591D0 (fr)
ES (1) ES2050819T3 (fr)
IE (1) IE64560B1 (fr)
IL (1) IL91947A (fr)
MX (1) MX171680B (fr)
MY (1) MY105777A (fr)
PT (1) PT92433B (fr)
TR (1) TR24905A (fr)
WO (1) WO1990006644A1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8915172D0 (en) * 1989-07-01 1989-08-23 Orbitel Mobile Communications Receiver gain control for radio telephone system
WO1991017606A1 (fr) * 1990-04-27 1991-11-14 Motorola, Inc. Commande automatique de gain numerique
US5187809A (en) * 1990-08-24 1993-02-16 Motorola, Inc. Dual mode automatic gain control
WO1992003892A1 (fr) * 1990-08-24 1992-03-05 Motorola, Inc. Commande automatique de gain a deux modes de fonctionnement
US5222104A (en) * 1991-12-30 1993-06-22 Motorola, Inc. Gain control circuit for radio transmitter
JP2861631B2 (ja) 1992-05-06 1999-02-24 日本電気株式会社 Ｆｓｋ受信機
JPH05327378A (ja) * 1992-05-22 1993-12-10 Toshiba Corp 無線通信装置の自動利得制御回路
FR2699768B1 (fr) * 1992-12-23 1995-02-10 Alcatel Radiotelephone Procédé de contrôle automatique de gain pour un récepteur numérique, notamment un récepteur à accès multiple à répartition dans le temps et dispositif pour sa mise en Óoeuvre.
US5565932A (en) * 1994-11-08 1996-10-15 Zenith Electronics Corp. AGC system with pilot using digital data reference
BR9611480A (pt) * 1995-11-10 1999-07-13 Ionica Int Ltd Método e aparelho para controle de força em um sistema de telefone
RU2173501C2 (ru) * 1995-12-30 2001-09-10 Самсунг Электроникс Ко., Лтд. Способ и устройство для автоматической регулировки передаваемой мощности
CA2232754A1 (fr) * 1996-09-05 1998-03-12 Mitsubishi Denki Kabushiki Kaisha Procede de controle de gain et recepteur associe
EP0992108A2 (fr) * 1998-04-23 2000-04-12 Koninklijke Philips Electronics N.V. Recepteur a frequence intermediaire
WO2000039923A1 (fr) * 1998-12-24 2000-07-06 Telefonaktiebolaget Lm Ericsson (Publ) Recepteur de communication ayant une plage dynamique reduite
DE10050330A1 (de) * 2000-10-11 2002-04-25 Infineon Technologies Ag Signalstärkeausgleich für stark zeitvariante Mobilfunkkanäle
RU2183840C2 (ru) * 2000-11-30 2002-06-20 Калмыков Вадим Валерьевич Способ и устройство управления передачей данных по радиоканалу
EP1231721A1 (fr) * 2001-02-12 2002-08-14 Telefonaktiebolaget Lm Ericsson Procédé de contrôle du niveau de signaux reçus par un noeud de réseau dans des systèmes AMRT de communication radio point à multipoint
GB2392328B (en) * 2002-08-20 2006-03-01 Nokia Corp Gain control circuit
US7885627B2 (en) * 2003-07-07 2011-02-08 Advanced Micro Devices, Inc. Optimal initial gain selection for wireless receiver
CN100367781C (zh) * 2006-04-24 2008-02-06 上海交通大学 数字自动电平增益的控制方法
EP2045916B1 (fr) * 2007-10-01 2014-12-17 JDS Uniphase Corporation Mesure de charge du contrôle de gain automatique pour des porteuses numériques
CN104135299B (zh) * 2014-07-18 2016-10-19 中国电子科技集团公司第四十一研究所 一种双通道两级变频宽带接收机及其自动增益控制方法
CN105071875A (zh) * 2015-08-26 2015-11-18 天津大学 一种场强测量系统及其测量方法
CN113596980B (zh) * 2021-09-14 2023-04-25 四川安迪科技实业有限公司 Mf-tdma返向链路接收机模拟agc的数字控制方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520952A1 (fr) * 1982-02-03 1983-08-05 Trt Telecom Radio Electr Dispositif de controle automatique de gain (cag) a action rapide
CA1209661A (fr) * 1983-08-05 1986-08-12 Thomas M. Cairns Connecteur electrique miniature pour circuits electriques de faible puissance
JPS60145713A (ja) * 1984-01-10 1985-08-01 Fujitsu Ltd 自動利得制御方式
US4613990A (en) * 1984-06-25 1986-09-23 At&T Bell Laboratories Radiotelephone transmission power control
DE3540722C2 (de) * 1985-11-16 1995-06-29 Daimler Benz Aerospace Ag Verfahren zur automatischen Pegelregelung
JPS62216511A (ja) * 1986-03-18 1987-09-24 Nec Corp 自動利得制御装置
US4696027A (en) * 1986-08-01 1987-09-22 Motorola, Inc. Handoff apparatus and method with interference reduction for a radio system

Also Published As

Publication number Publication date
JP2580873B2 (ja) 1997-02-12
JPH04502541A (ja) 1992-05-07
IL91947A0 (en) 1990-06-10
IE893260L (en) 1990-05-30
DE68914262D1 (de) 1994-05-05
IE64560B1 (en) 1995-08-23
KR930007134B1 (ko) 1993-07-30
DD292787A5 (de) 1991-08-08
CN1014200B (zh) 1991-10-02
MX171680B (es) 1993-11-10
WO1990006644A1 (fr) 1990-06-14
CA2000785C (fr) 1994-10-25
ATE103750T1 (de) 1994-04-15
MY105777A (en) 1995-01-30
DK101591A (da) 1991-05-28
PT92433A (pt) 1990-05-31
DK101591D0 (da) 1991-05-28
ES2050819T3 (es) 1994-06-01
EP0371700B1 (fr) 1994-03-30
EP0371700A2 (fr) 1990-06-06
CN1043236A (zh) 1990-06-20
KR900702682A (ko) 1990-12-08
TR24905A (tr) 1992-07-20
IL91947A (en) 1994-02-27
PT92433B (pt) 1995-09-12
EP0371700A3 (fr) 1992-02-26
DE68914262T2 (de) 1994-08-11

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